Sir Jean & NMB Afrobeat Experience
type: MusicGroup
genre: afrobeat
popularity: 5
followers: 713
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 954346
additional property: OTSBitcoinBlockVerifyURL
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  value: https://blockstream.info/api/block-height/954346
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additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/92819bb2-df9a-4f7a-9325-7658d30a61a7.json
additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74f06ee113fe70bb290b057b2dc6e165f26a9d8e8384a2c3814c06585fd9f048. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/92819bb2-df9a-4f7a-9325-7658d30a61a7.json and https://artists.proofprofile.net/proofs/artist/92819bb2-df9a-4f7a-9325-7658d30a61a7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:51:26Z
  text: {"copyright_id":"0x74f06ee113fe70bb290b057b2dc6e165f26a9d8e8384a2c3814c06585fd9f048","name":"Sir Jean & NMB Afrobeat Experience","registered_at":"2026-06-17T17:08:16Z","symbol":"NIM1462281","token_address":"0x9ed56d4a5d82585612343b047ec351f52c8a1b03","type":"artist","uuid":"92819bb2-df9a-4f7a-9325-7658d30a61a7"}
album: Permanent War
  type: MusicAlbum
  date published: 2015
album: Silver & Gold
  type: MusicAlbum
  date published: 2019-10-25
  track: Little Death
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    duration: PT3M44S
    duration ms: 224471
    explicit: false
    by artist: Sir Jean & NMB Afrobeat Experience
    in album: Silver & Gold
      type: MusicAlbum
      date published: 2019-10-25
    genre: afrobeat
    isrc code: FRP7G1900050
    additional property: CopyrightID
    additional property: CopyrightStatus
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    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRP7G1900050
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T03:34:53Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6dc2d0a26e02c026c961db9a53a6bf65873f162b274aec0dc163aec9906354da. Chain 2 (Bitcoin): anchored in block 958484 (2026-07-18T03:34:53Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRP7G1900050.
      date published: 2026-07-18T03:34:53Z
    audio: Little Death
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 114.008
      additional property: Musical Key
        type: PropertyValue
        value: 8
      additional property: Mode (Major/Minor)
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        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.769
      additional property: Energy
        type: PropertyValue
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      additional property: Speechiness
        type: PropertyValue
        value: 0.058
      additional property: Acousticness
        type: PropertyValue
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      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.087
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.904
      additional property: Loudness (dB)
        type: PropertyValue
        value: -9.141
      additional property: Key Name
        type: PropertyValue
        value: Ab
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Silver & Gold
  type: MusicAlbum
  date published: 2019-10-25
album: Twenty Four Seven
  type: MusicAlbum
  date published: 2021-03-19
album: Twenty Four Seven
  type: MusicAlbum
  date published: 2025-07-18